The impact of the United States acquiring the Oregon Territory includes:
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It opened trade routes to the Pacific. - The acquisition of the Oregon Territory facilitated access to the Pacific Ocean, enhancing trade opportunities, particularly with Asia.
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It led to war with Mexico. - The expansion westward, including the acquisition of Oregon, was a contributing factor to the tensions between the United States and Mexico, ultimately leading to the Mexican-American War.
These two points summarize significant impacts of acquiring the Oregon Territory.